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GM 555456 Valve, Exhaust

1982-1990 GM

Customer Questions & Expert Answers (5)
GM 555456 Valve, Exhaust
  • Part Description
    VALVE, Exhaust
  • Manufacturer
    General Motors
  • Manufacturer's Notes
    This part is discontinued.
Make sure this part fits
  • Related Parts
  • Product Specifications
  • Vehicle Fitment
  • Customer Questions & Expert Answers
  • Product Specifications

    BrandGenuine GM
    Manufacturer Part Number555456
    Part DescriptionVALVE, Exhaust
    Other NamesExhaust Valve
    Item Dimensions5.4 x 2.2 x 2.2 inches
    Item Weight0.50 Pounds
    ConditionNew
    Fitment TypeDirect Replacement
    ManufacturerGeneral Motors
    SKU555456
    WarrantyThis genuine GM part is guaranteed by GM's factory warranty.
    Shipping & ReturnShipping Policy Return Policy
    Warning: California's Proposition 65
  • Vehicle Fitment

    Year Make Model Engine Important vehicle option details
    1982-1989 Buick Estate Wagon8 Cyl 5.0LCUSTOM 2 DOOR, CUSTOM 4 DOOR, ELECTRA ESTATE WAGON, ESTATE WAGON, LIMITED 2 DOOR, LIMITED 2 DOOR COLLECT SP EDIT, LIMITED 4 DOOR, LIMITED 4 DOOR COLLECT SP EDIT
    1988-1990, 1982-1985 Buick Lesabre8 Cyl 5.0LCUSTOM 2 DOOR, CUSTOM 4 DOOR, ELECTRA ESTATE WAGON, ESTATE WAGON, LIMITED 2 DOOR, LIMITED 2 DOOR COLLECT SP EDIT, LIMITED 4 DOOR, LIMITED 4 DOOR COLLECT SP EDIT
    1982-1987 Buick Regal8 Cyl 5.0L2 DOOR, 4 DOOR, REGAL, STATION WAGON
    1982-1985 Buick Riviera8 Cyl 5.0LCONVERTIBLE COUPE, RIVIERA, T TYPE
    1987-1990 Cadillac Brougham8 Cyl 5.0LBROUGHAM 4 DOOR, BROUGHAM 4 DOOR RWD
    1986 Cadillac Fleetwood8 Cyl 5.0LBROUGHAM 4 DOOR RWD
    1986-1990 Chevrolet Caprice8 Cyl 5.0L4 DOOR, BROUGHAM 4 DOOR, CLASSIC 2 DOOR, CLASSIC 4 DOOR, CLASSIC STATION WAGON, STATION WAGON
    1986-1987 Chevrolet El CaminoEL CAMINO, MONTE CARLO
    1986-1987 Chevrolet Monte CarloEL CAMINO, MONTE CARLO
    1982-1990 Oldsmobile Custom Cruiser8 Cyl 5.0L2 DOOR, 4 DOOR, BROUGHAM 2 DOOR, BROUGHAM 4 DOOR, BROUGHAM LS 4 DOOR, RWD, STATION WAGON
    View More
  • Customer Questions & Expert Answers

    Q:
    Want to know will this will my car? Posted by GMPartsGiant Specialist
    A:
    You can Select Your Vehicle to check if 555456 fits your vehicle.
    Posted by GMPartsGiant Specialist
    Q:
    What is the consequence of refacing the valve if it reduces the edge of the valve head for the 1986 Chevrolet Caprice? Posted by Customer
    A:
    If the refacing of the valve reduces the edge of the valve head to less than the specified width, the valve must be replaced.
    Posted by GMPartsGiant Specialist
    See expert answers on similar Exhaust Valve
    Q:
    What should be done after removing the valves during the valve reconditioning process for the 1983 Buick Regal? Posted by Customer
    A:
    After removing the valves, they should be arranged numerically for reinstallation.
    Posted by GMPartsGiant Specialist
    See expert answers on similar Exhaust Valve
    Q:
    What is the process for grinding the valves for the 1987 Chevrolet El Camino? Posted by Customer
    A:
    To grind the valves, apply a small amount of coarse carborundum paste on the seat face and use a suction grinder tool on the valve head, employing a semi-rotary motion while occasionally lifting the valve to redistribute the paste.
    Posted by GMPartsGiant Specialist
    See expert answers on similar Exhaust Valve
    Q:
    What should be examined on the valves for the 1983 Oldsmobile Cutlass? Posted by Customer
    A:
    Examine the heads of the valves for pitting and burning, particularly the exhaust valves, while also checking the valve seatings.
    Posted by GMPartsGiant Specialist
    See expert answers on similar Exhaust Valve
    If you have any questions about this product, please don't hesitate to ask us. We will be happy to help you!

Genuine GM Part 555456, the Right Choice

To ensure reliability, purchase GM part # 555456 Valve, Exhaust. It is sometimes referred to as GM Exhaust Valve. Directly from GM, genuine parts are superb with regards to quality, longevity, and fit. Every single part passed stringent quality testing, so you can be sure that it's safe, durable, and built to perform like your original parts. This part fits specific Buick Lesabre, Regal, Riviera models. It fits Cadillac Brougham, Fleetwood. It also fits Chevrolet Caprice, El Camino, Monte Carlo. This also fits Pontiac Parisienne, Safari.

GMPartsGiant.com is a leading supplier of genuine GM parts and accessories such as GM 555456 Valve, Exhaust. You're certainly in the right place if you're searching for the great cost-effective OEM GM parts. Look no further than our vast inventory of genuine GM parts offered at unbeatable online prices, all of which are backed by the manufacturer's warranty. Not to forget, our hassle-free return policy and quick delivery service ensure a smooth shopping experience for you. For detailed Chevrolet parts information, click here.

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